a tetrahedon
It has 2 parallel sides.
a trapezoid is the only quadrilateral that has exactly 1 pair f parallel sides.
trapezoid
trapezoid
Any shape wit four of more sides can have one pair of parallel sides.
A trapezoid has only 1 pair of opposite parallel sides of different lengths.
A shape that has exactly 4 sides, 2 right angles and one pair of parallel sides is a rectangle. ~T
A trapezium
A trapezoid
a pentagon
1 pair of parallel sides mean 1 pair of non-intersecting lines for example, squares, their lines don't touch when they up or down.
trapezoid
A trapezoid
parallelogram
Trapizium
A kite is one example